diff --git a/spec/isolation/readline_spec.rb b/spec/isolation/readline_spec.rb
index 0b1478a9..7f5fb79f 100644
--- a/spec/isolation/readline_spec.rb
+++ b/spec/isolation/readline_spec.rb
@@ -7,4 +7,11 @@ describe "Readline" do
       defined?(Readline).should.be.nil
     end
   end
+
+  describe "on invoke of 'pry'" do
+    it "is made available" do
+      Pry.start self, input: StringIO.new("exit-all\n"), output: StringIO.new
+      defined?(Readline).should == "constant"
+    end
+  end
 end